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Timestamp:
11/27/07 10:59:58 (17 years ago)
Author:
jerome
Message:

Began work on moving from GNU GPL v2 or later to GNU GPL v3 or later.
TODO : Also move command line tools and library.
TODO : Change documentation from SGML DocBook? to XML DocBook? to
TODO : accomodate the GNU GPL v3 text available in DocBook? XML
TODO : from www.gnu.org

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  • pykota/trunk/docs/gnugpl.sgml

    r2301 r3259  
    1 <!--  
    2      The GNU Public License 2 in DocBook 
    3      Markup by Eric Baudais <baudais@okstate.edu> 
    4      Maintained by the GNOME Documentation Project 
    5      http://developer.gnome.org/projects/gdp 
    6      Version: 1.0.1 
    7      Last Modified: Nov 16, 2000 
    8 --> 
     1<?xml version="1.0" encoding="UTF-8"?> 
     2<!DOCTYPE appendix PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" 
     3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd"> 
     4<appendix> 
     5  <title> 
     6    <acronym>GNU</acronym> General Public License version 3 
     7  </title> 
     8  <para> 
     9    Version 3, 29 June 2007 
     10  </para> 
     11  <para> 
     12    Copyright &copy; 2007 Free Software Foundation, Inc. 
     13    <ulink url="http://fsf.org/">http://fsf.org/</ulink> 
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     190    automatically from other parts of the Corresponding Source. 
     191  </para> 
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     193    The Corresponding Source for a work in source code form is that same work. 
     194  </para> 
     195  <bridgehead id="BasicPermissions" renderas="sect1"> 
     196    2. Basic Permissions. 
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     214    thus making or running the covered works for you must do so exclusively on 
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     224  <bridgehead id="Protecting" renderas="sect1"> 
     225    3. Protecting Users&rsquo; Legal Rights From Anti-Circumvention Law. 
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     264    4, provided that you also meet all of these conditions: 
     265  </para> 
     266  <orderedlist numeration="loweralpha"> 
     267    <listitem> 
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     270        giving a relevant date. 
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     276        this License and any conditions added under section 7.  This requirement 
     277        modifies the requirement in section 4 to &ldquo;keep intact all 
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     282      <para> 
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     293      <para> 
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     307    or legal rights of the compilation&rsquo;s users beyond what the individual works 
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     312    6. Conveying Non-Source Forms. 
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     321      <para> 
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     348      </para> 
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     350    <listitem> 
     351      <para> 
     352        Convey the object code by offering access from a designated place 
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     357        the object code is a network server, the Corresponding Source may be on 
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     363        satisfy these requirements. 
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     365    </listitem> 
     366    <listitem> 
     367      <para> 
     368        Convey the object code using peer-to-peer transmission, provided you 
     369        inform other peers where the object code and Corresponding Source of the 
     370        work are being offered to the general public at no charge under 
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     373    </listitem> 
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     381    A &ldquo;User Product&rdquo; is either (1) a &ldquo;consumer product&rdquo;, 
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     387    used&rdquo; refers to a typical or common use of that class of product, 
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     392    uses represent the only significant mode of use of the product. 
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     396    procedures, authorization keys, or other information required to install and 
     397    execute modified versions of a covered work in that User Product from a 
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     402  </para> 
     403  <para> 
     404    If you convey an object code work under this section in, or with, or 
     405    specifically for use in, a User Product, and the conveying occurs as part of 
     406    a transaction in which the right of possession and use of the User Product 
     407    is transferred to the recipient in perpetuity or for a fixed term 
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     409    Source conveyed under this section must be accompanied by the Installation 
     410    Information.  But this requirement does not apply if neither you nor any 
     411    third party retains the ability to install modified object code on the User 
     412    Product (for example, the work has been installed in 
     413    <acronym>ROM</acronym>). 
     414  </para> 
     415  <para> 
     416    The requirement to provide Installation Information does not include a 
     417    requirement to continue to provide support service, warranty, or updates for 
     418    a work that has been modified or installed by the recipient, or for the User 
     419    Product in which it has been modified or installed.  Access to a network may 
     420    be denied when the modification itself materially and adversely affects the 
     421    operation of the network or violates the rules and protocols for 
     422    communication across the network. 
     423  </para> 
     424  <para> 
     425    Corresponding Source conveyed, and Installation Information provided, in 
     426    accord with this section must be in a format that is publicly documented 
     427    (and with an implementation available to the public in source code form), 
     428    and must require no special password or key for unpacking, reading or 
     429    copying. 
     430  </para> 
     431   <bridgehead id="AdditionalTerms" renderas="sect1"> 
     432     7. Additional Terms. 
     433   </bridgehead> 
     434   <para> 
     435     &ldquo;Additional permissions&rdquo; are terms that supplement the terms of 
     436     this License by making exceptions from one or more of its conditions. 
     437     Additional permissions that are applicable to the entire Program shall be 
     438     treated as though they were included in this License, to the extent that 
     439     they are valid under applicable law.  If additional permissions apply only 
     440     to part of the Program, that part may be used separately under those 
     441     permissions, but the entire Program remains governed by this License 
     442     without regard to the additional permissions. 
     443   </para> 
     444   <para> 
     445     When you convey a copy of a covered work, you may at your option remove any 
     446     additional permissions from that copy, or from any part of it.  (Additional 
     447     permissions may be written to require their own removal in certain cases 
     448     when you modify the work.)  You may place additional permissions on 
     449     material, added by you to a covered work, for which you have or can give 
     450     appropriate copyright permission. 
     451   </para> 
     452   <para> 
     453     Notwithstanding any other provision of this License, for material you add 
     454     to a covered work, you may (if authorized by the copyright holders of that 
     455     material) supplement the terms of this License with terms: 
     456   </para> 
     457   <orderedlist numeration="loweralpha"> 
     458     <listitem> 
     459       <para> 
     460         Disclaiming warranty or limiting liability differently from the terms 
     461         of sections 15 and 16 of this License; or 
     462       </para> 
     463     </listitem> 
     464     <listitem> 
     465       <para> 
     466         Requiring preservation of specified reasonable legal notices or author 
     467         attributions in that material or in the Appropriate Legal Notices 
     468         displayed by works containing it; or 
     469       </para> 
     470     </listitem> 
     471     <listitem> 
     472       <para> 
     473         Prohibiting misrepresentation of the origin of that material, or 
     474         requiring that modified versions of such material be marked in 
     475         reasonable ways as different from the original version; or 
     476       </para> 
     477     </listitem> 
     478     <listitem> 
     479       <para> 
     480         Limiting the use for publicity purposes of names of licensors or 
     481         authors of the material; or 
     482       </para> 
     483     </listitem> 
     484     <listitem> 
     485       <para> 
     486         Declining to grant rights under trademark law for use of some trade 
     487         names, trademarks, or service marks; or 
     488       </para> 
     489     </listitem> 
     490     <listitem> 
     491       <para> 
     492         Requiring indemnification of licensors and authors of that material by 
     493         anyone who conveys the material (or modified versions of it) with 
     494         contractual assumptions of liability to the recipient, for any 
     495         liability that these contractual assumptions directly impose on those 
     496         licensors and authors. 
     497       </para> 
     498     </listitem> 
     499   </orderedlist> 
     500   <para> 
     501     All other non-permissive additional terms are considered &ldquo;further 
     502     restrictions&rdquo; within the meaning of section 10.  If the Program as 
     503     you received it, or any part of it, contains a notice stating that it is 
     504     governed by this License along with a term that is a further restriction, 
     505     you may remove that term.  If a license document contains a further 
     506     restriction but permits relicensing or conveying under this License, you 
     507     may add to a covered work material governed by the terms of that license 
     508     document, provided that the further restriction does not survive such 
     509     relicensing or conveying. 
     510   </para> 
     511   <para> 
     512     If you add terms to a covered work in accord with this section, you must 
     513     place, in the relevant source files, a statement of the additional terms 
     514     that apply to those files, or a notice indicating where to find the 
     515     applicable terms. 
     516   </para> 
     517   <para> 
     518     Additional terms, permissive or non-permissive, may be stated in the form 
     519     of a separately written license, or stated as exceptions; the above 
     520     requirements apply either way. 
     521   </para> 
     522   <bridgehead id="Termination" renderas="sect1"> 
     523     8. Termination. 
     524   </bridgehead> 
     525   <para> 
     526     You may not propagate or modify a covered work except as expressly provided 
     527     under this License.  Any attempt otherwise to propagate or modify it is 
     528     void, and will automatically terminate your rights under this License 
     529     (including any patent licenses granted under the third paragraph of section 
     530     11). 
     531   </para> 
     532   <para> 
     533     However, if you cease all violation of this License, then your license from 
     534     a particular copyright holder is reinstated (a) provisionally, unless and 
     535     until the copyright holder explicitly and finally terminates your license, 
     536     and (b) permanently, if the copyright holder fails to notify you of the 
     537     violation by some reasonable means prior to 60 days after the cessation. 
     538   </para> 
     539   <para> 
     540     Moreover, your license from a particular copyright holder is reinstated 
     541     permanently if the copyright holder notifies you of the violation by some 
     542     reasonable means, this is the first time you have received notice of 
     543     violation of this License (for any work) from that copyright holder, and 
     544     you cure the violation prior to 30 days after your receipt of the notice. 
     545   </para> 
     546   <para> 
     547     Termination of your rights under this section does not terminate the 
     548     licenses of parties who have received copies or rights from you under this 
     549     License.  If your rights have been terminated and not permanently 
     550     reinstated, you do not qualify to receive new licenses for the same 
     551     material under section 10. 
     552   </para> 
     553   <bridgehead id="AcceptanceNotRequired" renderas="sect1"> 
     554     9. Acceptance Not Required for Having Copies. 
     555   </bridgehead> 
     556   <para> 
     557     You are not required to accept this License in order to receive or run a 
     558     copy of the Program.  Ancillary propagation of a covered work occurring 
     559     solely as a consequence of using peer-to-peer transmission to receive a 
     560     copy likewise does not require acceptance.  However, nothing other than 
     561     this License grants you permission to propagate or modify any covered work. 
     562     These actions infringe copyright if you do not accept this License. 
     563     Therefore, by modifying or propagating a covered work, you indicate your 
     564     acceptance of this License to do so. 
     565   </para> 
     566   <bridgehead id="AutomaticDownstream" renderas="sect1"> 
     567     10. Automatic Licensing of Downstream Recipients. 
     568   </bridgehead> 
     569   <para> 
     570     Each time you convey a covered work, the recipient automatically receives a 
     571     license from the original licensors, to run, modify and propagate that 
     572     work, subject to this License.  You are not responsible for enforcing 
     573     compliance by third parties with this License. 
     574   </para> 
     575   <para> 
     576     An &ldquo;entity transaction&rdquo; is a transaction transferring control 
     577     of an organization, or substantially all assets of one, or subdividing an 
     578     organization, or merging organizations.  If propagation of a covered work 
     579     results from an entity transaction, each party to that transaction who 
     580     receives a copy of the work also receives whatever licenses to the work the 
     581     party&rsquo;s predecessor in interest had or could give under the previous 
     582     paragraph, plus a right to possession of the Corresponding Source of the 
     583     work from the predecessor in interest, if the predecessor has it or can get 
     584     it with reasonable efforts. 
     585   </para> 
     586   <para> 
     587     You may not impose any further restrictions on the exercise of the rights 
     588     granted or affirmed under this License.  For example, you may not impose a 
     589     license fee, royalty, or other charge for exercise of rights granted under 
     590     this License, and you may not initiate litigation (including a cross-claim 
     591     or counterclaim in a lawsuit) alleging that any patent claim is infringed 
     592     by making, using, selling, offering for sale, or importing the Program or 
     593     any portion of it. 
     594   </para> 
     595  <bridgehead id="Patents" renderas="sect1"> 
     596    11. Patents. 
     597  </bridgehead> 
     598  <para> 
     599    A &ldquo;contributor&rdquo; is a copyright holder who authorizes use under 
     600    this License of the Program or a work on which the Program is based.  The 
     601    work thus licensed is called the contributor&rsquo;s &ldquo;contributor 
     602    version&rdquo;. 
     603  </para> 
     604  <para> 
     605    A contributor&rsquo;s &ldquo;essential patent claims&rdquo; are all patent 
     606    claims owned or controlled by the contributor, whether already acquired or 
     607    hereafter acquired, that would be infringed by some manner, permitted by 
     608    this License, of making, using, or selling its contributor version, but do 
     609    not include claims that would be infringed only as a consequence of further 
     610    modification of the contributor version.  For purposes of this definition, 
     611    &ldquo;control&rdquo; includes the right to grant patent sublicenses in a 
     612    manner consistent with the requirements of this License. 
     613  </para> 
     614  <para> 
     615    Each contributor grants you a non-exclusive, worldwide, royalty-free patent 
     616    license under the contributor&rsquo;s essential patent claims, to make, use, 
     617    sell, offer for sale, import and otherwise run, modify and propagate the 
     618    contents of its contributor version. 
     619  </para> 
     620  <para> 
     621    In the following three paragraphs, a &ldquo;patent license&rdquo; is any 
     622    express agreement or commitment, however denominated, not to enforce a 
     623    patent (such as an express permission to practice a patent or covenant not 
     624    to sue for patent infringement).  To &ldquo;grant&rdquo; such a patent 
     625    license to a party means to make such an agreement or commitment not to 
     626    enforce a patent against the party. 
     627  </para> 
     628  <para> 
     629    If you convey a covered work, knowingly relying on a patent license, and the 
     630    Corresponding Source of the work is not available for anyone to copy, free 
     631    of charge and under the terms of this License, through a publicly available 
     632    network server or other readily accessible means, then you must either (1) 
     633    cause the Corresponding Source to be so available, or (2) arrange to deprive 
     634    yourself of the benefit of the patent license for this particular work, or 
     635    (3) arrange, in a manner consistent with the requirements of this License, 
     636    to extend the patent license to downstream recipients.  &ldquo;Knowingly 
     637    relying&rdquo; means you have actual knowledge that, but for the patent 
     638    license, your conveying the covered work in a country, or your 
     639    recipient&rsquo;s use of the covered work in a country, would infringe one 
     640    or more identifiable patents in that country that you have reason to believe 
     641    are valid. 
     642  </para> 
     643  <para> 
     644    If, pursuant to or in connection with a single transaction or arrangement, 
     645    you convey, or propagate by procuring conveyance of, a covered work, and 
     646    grant a patent license to some of the parties receiving the covered work 
     647    authorizing them to use, propagate, modify or convey a specific copy of the 
     648    covered work, then the patent license you grant is automatically extended to 
     649    all recipients of the covered work and works based on it. 
     650  </para> 
     651  <para> 
     652    A patent license is &ldquo;discriminatory&rdquo; if it does not include 
     653    within the scope of its coverage, prohibits the exercise of, or is 
     654    conditioned on the non-exercise of one or more of the rights that are 
     655    specifically granted under this License.  You may not convey a covered work 
     656    if you are a party to an arrangement with a third party that is in the 
     657    business of distributing software, under which you make payment to the third 
     658    party based on the extent of your activity of conveying the work, and under 
     659    which the third party grants, to any of the parties who would receive the 
     660    covered work from you, a discriminatory patent license (a) in connection 
     661    with copies of the covered work conveyed by you (or copies made from those 
     662    copies), or (b) primarily for and in connection with specific products or 
     663    compilations that contain the covered work, unless you entered into that 
     664    arrangement, or that patent license was granted, prior to 28 March 2007. 
     665  </para> 
     666  <para> 
     667    Nothing in this License shall be construed as excluding or limiting any 
     668    implied license or other defenses to infringement that may otherwise be 
     669    available to you under applicable patent law. 
     670  </para> 
     671  <bridgehead id="NoSurrender" renderas="sect1"> 
     672    12. No Surrender of Others&rsquo; Freedom. 
     673  </bridgehead> 
     674  <para> 
     675    If conditions are imposed on you (whether by court order, agreement or 
     676    otherwise) that contradict the conditions of this License, they do not 
     677    excuse you from the conditions of this License.  If you cannot convey a 
     678    covered work so as to satisfy simultaneously your obligations under this 
     679    License and any other pertinent obligations, then as a consequence you may 
     680    not convey it at all.  For example, if you agree to terms that obligate you 
     681    to collect a royalty for further conveying from those to whom you convey the 
     682    Program, the only way you could satisfy both those terms and this License 
     683    would be to refrain entirely from conveying the Program. 
     684  </para> 
     685  <bridgehead id="UsedWithAGPL" renderas="sect1"> 
     686    13. Use with the <acronym>GNU</acronym> Affero General Public License. 
     687  </bridgehead> 
     688  <para> 
     689    Notwithstanding any other provision of this License, you have permission to 
     690    link or combine any covered work with a work licensed under version 3 of the 
     691    <acronym>GNU</acronym> Affero General Public License into a single combined 
     692    work, and to convey the resulting work.  The terms of this License will 
     693    continue to apply to the part which is the covered work, but the special 
     694    requirements of the <acronym>GNU</acronym> Affero General Public License, 
     695    section 13, concerning interaction through a network will apply to the 
     696    combination as such. 
     697  </para> 
     698  <bridgehead id="RevisedVersions" renderas="sect1"> 
     699    14. Revised Versions of this License. 
     700  </bridgehead> 
     701  <para> 
     702    The Free Software Foundation may publish revised and/or new versions of the 
     703    <acronym>GNU</acronym> General Public License from time to time.  Such new 
     704    versions will be similar in spirit to the present version, but may differ in 
     705    detail to address new problems or concerns. 
     706  </para> 
     707  <para> 
     708    Each version is given a distinguishing version number.  If the Program 
     709    specifies that a certain numbered version of the <acronym>GNU</acronym> 
     710    General Public License &ldquo;or any later version&rdquo; applies to it, you 
     711    have the option of following the terms and conditions either of that 
     712    numbered version or of any later version published by the Free Software 
     713    Foundation.  If the Program does not specify a version number of the 
     714    <acronym>GNU</acronym> General Public License, you may choose any version 
     715    ever published by the Free Software Foundation. 
     716  </para> 
     717  <para> 
     718    If the Program specifies that a proxy can decide which future versions of 
     719    the <acronym>GNU</acronym> General Public License can be used, that 
     720    proxy&rsquo;s public statement of acceptance of a version permanently 
     721    authorizes you to choose that version for the Program. 
     722  </para> 
     723  <para> 
     724    Later license versions may give you additional or different permissions. 
     725    However, no additional obligations are imposed on any author or copyright 
     726    holder as a result of your choosing to follow a later version. 
     727  </para> 
     728  <bridgehead id="WarrantyDisclaimer" renderas="sect1"> 
     729    15. Disclaimer of Warranty. 
     730  </bridgehead> 
     731  <para> 
     732    THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE 
     733    LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR 
     734    OTHER PARTIES PROVIDE THE PROGRAM &ldquo;AS IS&rdquo; WITHOUT WARRANTY OF 
     735    ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE 
     736    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 
     737    THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH 
     738    YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL 
     739    NECESSARY SERVICING, REPAIR OR CORRECTION. 
     740  </para> 
     741  <bridgehead id="LiabilityLimitation" renderas="sect1"> 
     742    16. Limitation of Liability. 
     743  </bridgehead> 
     744  <para> 
     745    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL 
     746    ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE 
     747    PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 
     748    GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE 
     749    OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA 
     750    OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 
     751    PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 
     752    EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 
     753    SUCH DAMAGES. 
     754  </para> 
     755  <bridgehead id="InterpretationSecs1516" renderas="sect1"> 
     756    17. Interpretation of Sections 15 and 16. 
     757  </bridgehead> 
     758  <para> 
     759    If the disclaimer of warranty and limitation of liability provided above 
     760    cannot be given local legal effect according to their terms, reviewing 
     761    courts shall apply local law that most closely approximates an absolute 
     762    waiver of all civil liability in connection with the Program, unless a 
     763    warranty or assumption of liability accompanies a copy of the Program in 
     764    return for a fee. 
     765  </para> 
     766  <bridgehead> 
     767    END OF TERMS AND CONDITIONS 
     768  </bridgehead> 
     769  <bridgehead id="HowToApply" renderas="sect1"> 
     770    How to Apply These Terms to Your New Programs 
     771  </bridgehead> 
     772  <para> 
     773    If you develop a new program, and you want it to be of the greatest possible 
     774    use to the public, the best way to achieve this is to make it free software 
     775    which everyone can redistribute and change under these terms. 
     776  </para> 
     777  <para> 
     778    To do so, attach the following notices to the program.  It is safest to 
     779    attach them to the start of each source file to most effectively state the 
     780    exclusion of warranty; and each file should have at least the 
     781    &ldquo;copyright&rdquo; line and a pointer to where the full notice is 
     782    found. 
     783  </para> 
     784  <screen> 
     785<replaceable>one line to give the program&rsquo;s name and a brief idea of what it does.</replaceable> 
     786Copyright (C) <replaceable>year</replaceable> <replaceable>name of author</replaceable> 
    9787 
    10 <appendix id="gpl"> 
    11   <appendixinfo> 
    12     <releaseinfo> 
    13       Version 2, June 1991 
    14     </releaseinfo> 
    15     <copyright> 
    16       <year>2000</year> 
    17       <holder>Free Software Foundation, Inc.</holder> 
    18     </copyright> 
    19     <legalnotice id="gpl-legalnotice"> 
    20       <para> 
    21         <address>Free Software Foundation, Inc.  
    22           <street>51 Franklin St, Fifth Floor</street>,  
    23           <city>Boston</city>,  
    24           <state>MA</state> <postcode>02110-1301</postcode> 
    25           <country>USA</country> 
    26         </address>. 
    27       </para> 
    28       <para> 
    29         Everyone is permitted to copy and distribute verbatim copies 
    30         of this license document, but changing it is not allowed. 
    31       </para> 
    32     </legalnotice> 
    33   </appendixinfo> 
    34   <title>GNU General Public License</title> 
     788This program is free software: you can redistribute it and/or modify 
     789it under the terms of the <acronym>GNU</acronym> General Public License as published by 
     790the Free Software Foundation, either version 3 of the License, or 
     791(at your option) any later version. 
    35792 
    36   <sect1 id="gpl-preamble"> 
    37     <title>Preamble</title> 
    38      
    39     <para> 
    40       The licenses for most software are designed to take away your  
    41       freedom to share and change it. By contrast, the GNU General Public  
    42       License is intended to guarantee your freedom to share and change  
    43       free software - to make sure the software is free for all its users.  
    44       This General Public License applies to most of the Free Software  
    45       Foundation's software and to any other program whose authors commit  
    46       to using it. (Some other Free Software Foundation software is covered  
    47       by the GNU Library General Public License instead.) You can apply it  
    48       to your programs, too. 
    49     </para> 
     793This program is distributed in the hope that it will be useful, 
     794but WITHOUT ANY WARRANTY; without even the implied warranty of 
     795MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
     796<acronym>GNU</acronym> General Public License for more details. 
    50797 
    51     <para> 
    52       When we speak of free software, we are referring to freedom, not price.  
    53       Our General Public Licenses are designed to make sure that you have the  
    54       freedom to distribute copies of free software (and charge for this  
    55       service if you wish), that you receive source code or can get it if you  
    56       want it, that you can change the software or use pieces of it in new free  
    57       programs; and that you know you can do these things. 
    58     </para> 
    59  
    60     <para> 
    61       To protect your rights, we need to make restrictions that forbid anyone  
    62       to deny you these rights or to ask you to surrender the rights. These  
    63       restrictions translate to certain responsibilities for you if you distribute  
    64       copies of the software, or if you modify it. 
    65     </para> 
    66  
    67     <para> 
    68       For example, if you distribute copies of such a program, whether gratis or  
    69       for a fee, you must give the recipients all the rights that you have. You  
    70       must make sure that they, too, receive or can get the source code. And you  
    71       must show them these terms so they know their rights. 
    72     </para> 
    73  
    74     <para> 
    75       We protect your rights with two steps: 
    76  
    77       <orderedlist numeration="arabic"> 
    78         <listitem> 
    79           <para> 
    80             copyright the software, and 
    81           </para> 
    82         </listitem> 
    83         <listitem> 
    84           <para> 
    85             offer you this license which gives you legal permission to copy,  
    86             distribute and/or modify the software. 
    87           </para> 
    88         </listitem> 
    89       </orderedlist> 
    90     </para> 
    91  
    92     <para> 
    93       Also, for each author's protection and ours, we want to make certain that  
    94       everyone understands that there is no warranty for this free software. If  
    95       the software is modified by someone else and passed on, we want its  
    96       recipients to know that what they have is not the original, so that any  
    97       problems introduced by others will not reflect on the original authors'  
    98       reputations. 
    99     </para> 
    100  
    101     <para> 
    102       Finally, any free program is threatened constantly by software patents.  
    103       We wish to avoid the danger that redistributors of a free program will  
    104       individually obtain patent licenses, in effect making the program  
    105       proprietary. To prevent this, we have made it clear that any patent must be  
    106       licensed for everyone's free use or not licensed at all. 
    107     </para> 
    108  
    109     <para> 
    110       The precise terms and conditions for copying, distribution and modification  
    111       follow. 
    112     </para> 
    113  
    114   </sect1> 
    115  
    116   <sect1 id="gpl-terms"> 
    117     <title>TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</title> 
    118  
    119     <sect2 id="gpl-sect0"> 
    120       <title>Section 0</title> 
    121       <para> 
    122         This License applies to any program or other work which contains a notice  
    123         placed by the copyright holder saying it may be distributed under the terms  
    124         of this General Public License. The "Program", below, refers to any such  
    125         program or work, and a <quote>work based on the Program</quote> means either  
    126         the Program or any derivative work under copyright law: that is to say, a  
    127         work containing the Program or a portion of it, either verbatim or with  
    128         modifications and/or translated into another language. (Hereinafter, translation  
    129         is included without limitation in the term <quote>modification</quote>.) Each  
    130         licensee is addressed as <quote>you</quote>. 
    131       </para> 
    132  
    133       <para> 
    134         Activities other than copying, distribution and modification are not covered by  
    135         this License; they are outside its scope. The act of running the Program is not  
    136         restricted, and the output from the Program is covered only if its contents  
    137         constitute a work based on the Program (independent of having been made by running  
    138         the Program). Whether that is true depends on what the Program does. 
    139       </para> 
    140     </sect2> 
    141  
    142     <sect2 id="gpl-sect1"> 
    143       <title>Section 1</title> 
    144       <para> 
    145         You may copy and distribute verbatim copies of the Program's source code as you  
    146         receive it, in any medium, provided that you conspicuously and appropriately  
    147         publish on each copy an appropriate copyright notice and disclaimer of warranty;  
    148         keep intact all the notices that refer to this License and to the absence of any  
    149         warranty; and give any other recipients of the Program a copy of this License  
    150         along with the Program. 
    151       </para> 
    152        
    153       <para> 
    154         You may charge a fee for the physical act of transferring a copy, and you may at  
    155         your option offer warranty protection in exchange for a fee. 
    156       </para> 
    157     </sect2> 
    158  
    159     <sect2 id="gpl-sect2"> 
    160       <title>Section 2</title> 
    161       <para> 
    162         You may modify your copy or copies of the Program or any portion of it, thus  
    163         forming a work based on the Program, and copy and distribute such modifications  
    164         or work under the terms of <link linkend="gpl-sect1">Section 1</link> above, provided  
    165         that you also meet all of these conditions: 
    166  
    167         <orderedlist numeration="loweralpha"> 
    168           <listitem> 
    169             <para> 
    170               You must cause the modified files to carry prominent notices stating that  
    171               you changed the files and the date of any change. 
    172             </para> 
    173           </listitem> 
    174           <listitem> 
    175             <para> 
    176               You must cause any work that you distribute or publish, that in whole or  
    177               in part contains or is derived from the Program or any part thereof, to be  
    178               licensed as a whole at no charge to all third parties under the terms of  
    179               this License. 
    180             </para> 
    181           </listitem> 
    182           <listitem> 
    183             <para> 
    184               If the modified program normally reads commands interactively when run, you  
    185               must cause it, when started running for such interactive use in the most  
    186               ordinary way, to print or display an announcement including an appropriate  
    187               copyright notice and a notice that there is no warranty (or else, saying  
    188               that you provide a warranty) and that users may redistribute the program  
    189               under these conditions, and telling the user how to view a copy of this  
    190               License.  
    191  
    192               <note> 
    193                 <title>Exception:</title> 
    194                 <para> 
    195                   If the Program itself is interactive but does not normally print such an  
    196                   announcement, your work based on the Program is not required to print an  
    197                   announcement.)  
    198                 </para> 
    199               </note> 
    200  
    201             </para> 
    202           </listitem> 
    203         </orderedlist> 
    204       </para> 
    205  
    206       <para> 
    207         These requirements apply to the modified work as a whole. If identifiable sections  
    208         of that work are not derived from the Program, and can be reasonably considered  
    209         independent and separate works in themselves, then this License, and its terms,  
    210         do not apply to those sections when you distribute them as separate works. But when  
    211         you distribute the same sections as part of a whole which is a work based on the  
    212         Program, the distribution of the whole must be on the terms of this License, whose  
    213         permissions for other licensees extend to the entire whole, and thus to each and  
    214         every part regardless of who wrote it. 
    215       </para> 
    216  
    217       <para> 
    218         Thus, it is not the intent of this section to claim rights or contest your rights  
    219         to work written entirely by you; rather, the intent is to exercise the right to control  
    220         the distribution of derivative or collective works based on the Program. 
    221       </para> 
    222  
    223       <para> 
    224         In addition, mere aggregation of another work not based on the Program with the Program  
    225         (or with a work based on the Program) on a volume of a storage or distribution medium  
    226         does not bring the other work under the scope of this License. 
    227       </para> 
    228     </sect2> 
    229  
    230     <sect2 id="gpl-sect3"> 
    231       <title>Section 3</title> 
    232  
    233       <para> 
    234         You may copy and distribute the Program (or a work based on it, under  
    235         <link linkend="gpl-sect2">Section 2</link> in object code or executable form under the terms of  
    236         <link linkend="gpl-sect1">Sections 1</link> and <link linkend="gpl-sect2">2</link> above provided that  
    237         you also do one of the following: 
    238  
    239         <orderedlist numeration="loweralpha"> 
    240           <listitem> 
    241             <para> 
    242               Accompany it with the complete corresponding machine-readable source code, which  
    243               must be distributed under the terms of Sections 1 and 2 above on a medium  
    244               customarily used for software interchange; or, 
    245             </para> 
    246           </listitem> 
    247           <listitem> 
    248             <para> 
    249               Accompany it with a written offer, valid for at least three years, to give any  
    250               third party, for a charge no more than your cost of physically performing source  
    251               distribution, a complete machine-readable copy of the corresponding source code,  
    252               to be distributed under the terms of Sections 1 and 2 above on a medium customarily  
    253               used for software interchange; or, 
    254             </para> 
    255           </listitem> 
    256           <listitem> 
    257             <para> 
    258               Accompany it with the information you received as to the offer to distribute  
    259               corresponding source code. (This alternative is allowed only for noncommercial  
    260               distribution and only if you received the program in object code or executable form  
    261               with such an offer, in accord with Subsection b above.) 
    262             </para> 
    263           </listitem> 
    264         </orderedlist> 
    265       </para> 
    266  
    267       <para> 
    268         The source code for a work means the preferred form of the work for making modifications  
    269         to it. For an executable work, complete source code means all the source code for all modules  
    270         it contains, plus any associated interface definition files, plus the scripts used to control  
    271         compilation and installation of the executable. However, as a special exception, the source  
    272         code distributed need not include anything that is normally distributed (in either source or  
    273         binary form) with the major components (compiler, kernel, and so on) of the operating system  
    274         on which the executable runs, unless that component itself accompanies the executable. 
    275       </para> 
    276        
    277       <para> 
    278         If distribution of executable or object code is made by offering access to copy from a  
    279         designated place, then offering equivalent access to copy the source code from the same place  
    280         counts as distribution of the source code, even though third parties are not compelled to  
    281         copy the source along with the object code. 
    282       </para> 
    283     </sect2> 
    284  
    285     <sect2 id="gpl-sect4"> 
    286       <title>Section 4</title> 
    287        
    288       <para> 
    289         You may not copy, modify, sublicense, or distribute the Program except as expressly provided  
    290         under this License. Any attempt otherwise to copy, modify, sublicense or distribute the  
    291         Program is void, and will automatically terminate your rights under this License. However,  
    292         parties who have received copies, or rights, from you under this License will not have their  
    293         licenses terminated so long as such parties remain in full compliance. 
    294       </para> 
    295     </sect2> 
    296  
    297     <sect2 id="gpl-sect5"> 
    298       <title>Section 5</title> 
    299  
    300       <para> 
    301         You are not required to accept this License, since you have not signed it. However, nothing  
    302         else grants you permission to modify or distribute the Program or its derivative works.  
    303         These actions are prohibited by law if you do not accept this License. Therefore, by modifying  
    304         or distributing the Program (or any work based on the Program), you indicate your acceptance  
    305         of this License to do so, and all its terms and conditions for copying, distributing or  
    306         modifying the Program or works based on it. 
    307       </para> 
    308     </sect2> 
    309  
    310     <sect2 id="gpl-sect6"> 
    311       <title>Section 6</title> 
    312  
    313       <para> 
    314         Each time you redistribute the Program (or any work based on the Program), the recipient  
    315         automatically receives a license from the original licensor to copy, distribute or modify  
    316         the Program subject to these terms and conditions. You may not impose any further restrictions  
    317         on the recipients' exercise of the rights granted herein. You are not responsible for enforcing  
    318         compliance by third parties to this License. 
    319       </para> 
    320     </sect2> 
    321  
    322     <sect2 id="gpl-sect7"> 
    323       <title>Section 7</title> 
    324  
    325       <para> 
    326         If, as a consequence of a court judgment or allegation of patent infringement or for any other  
    327         reason (not limited to patent issues), conditions are imposed on you (whether by court order,  
    328         agreement or otherwise) that contradict the conditions of this License, they do not excuse you  
    329         from the conditions of this License. If you cannot distribute so as to satisfy simultaneously  
    330         your obligations under this License and any other pertinent obligations, then as a consequence  
    331         you may not distribute the Program at all. For example, if a patent license would not permit  
    332         royalty-free redistribution of the Program by all those who receive copies directly or  
    333         indirectly through you, then the only way you could satisfy both it and this License would be  
    334         to refrain entirely from distribution of the Program. 
    335       </para> 
    336  
    337       <para> 
    338         If any portion of this section is held invalid or unenforceable under any particular circumstance,  
    339         the balance of the section is intended to apply and the section as a whole is intended to apply  
    340         in other circumstances. 
    341       </para> 
    342  
    343       <para> 
    344         It is not the purpose of this section to induce you to infringe any patents or other property  
    345         right claims or to contest validity of any such claims; this section has the sole purpose of  
    346         protecting the integrity of the free software distribution system, which is implemented by public  
    347         license practices. Many people have made generous contributions to the wide range of software  
    348         distributed through that system in reliance on consistent application of that system; it is up  
    349         to the author/donor to decide if he or she is willing to distribute software through any other  
    350         system and a licensee cannot impose that choice. 
    351       </para> 
    352  
    353       <para> 
    354         This section is intended to make thoroughly clear what is believed to be a consequence of the  
    355         rest of this License. 
    356       </para> 
    357     </sect2> 
    358  
    359     <sect2 id="gpl-sect8"> 
    360       <title>Section 8</title> 
    361  
    362       <para> 
    363         If the distribution and/or use of the Program is restricted in certain countries either by patents  
    364         or by copyrighted interfaces, the original copyright holder who places the Program under this License  
    365         may add an explicit geographical distribution limitation excluding those countries, so that  
    366         distribution is permitted only in or among countries not thus excluded. In such case, this License  
    367         incorporates the limitation as if written in the body of this License. 
    368       </para> 
    369     </sect2> 
    370  
    371     <sect2 id="gpl-sect9"> 
    372       <title>Section 9</title> 
    373        
    374       <para> 
    375         The Free Software Foundation may publish revised and/or new versions of the General Public License  
    376         from time to time. Such new versions will be similar in spirit to the present version, but may differ  
    377         in detail to address new problems or concerns. 
    378       </para> 
    379  
    380       <para> 
    381         Each version is given a distinguishing version number. If the Program specifies a version number of  
    382         this License which applies to it and "any later version", you have the option of following the terms  
    383         and conditions either of that version or of any later version published by the Free Software  
    384         Foundation. If the Program does not specify a version number of this License, you may choose any  
    385         version ever published by the Free Software Foundation. 
    386       </para> 
    387     </sect2> 
    388  
    389     <sect2 id="gpl-sect10"> 
    390       <title>Section 10</title> 
    391  
    392       <para> 
    393         If you wish to incorporate parts of the Program into other free programs whose distribution  
    394         conditions are different, write to the author to ask for permission. For software which is copyrighted  
    395         by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions  
    396         for this. Our decision will be guided by the two goals of preserving the free status of all  
    397         derivatives of our free software and of promoting the sharing and reuse of software generally. 
    398       </para> 
    399     </sect2> 
    400  
    401     <sect2 id="gpl-sect11"> 
    402       <title>NO WARRANTY</title> 
    403       <subtitle>Section 11</subtitle> 
    404  
    405       <para> 
    406         BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT  
    407         PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR  
    408         OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,  
    409         INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  
    410         PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE  
    411         PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 
    412       </para> 
    413     </sect2> 
    414  
    415     <sect2 id="gpl-sect12"> 
    416       <title>Section 12</title> 
    417  
    418       <para> 
    419         IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR  
    420         ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU  
    421         FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE  
    422         USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED  
    423         INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH  
    424         ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH  
    425         DAMAGES. 
    426       </para> 
    427     </sect2> 
    428   </sect1> 
     798You should have received a copy of the <acronym>GNU</acronym> General Public License 
     799along with this program.  If not, see <ulink url="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</ulink>. 
     800  </screen> 
     801  <para> 
     802    Also add information on how to contact you by electronic and paper mail. 
     803  </para> 
     804  <para> 
     805    If the program does terminal interaction, make it output a short notice like 
     806    this when it starts in an interactive mode: 
     807  </para> 
     808  <screen> 
     809<replaceable>program</replaceable> Copyright (C) <replaceable>year</replaceable> <replaceable>name of author</replaceable> 
     810This program comes with ABSOLUTELY NO WARRANTY; for details type &lsquo;<literal>show w</literal>&rsquo;. 
     811This is free software, and you are welcome to redistribute it 
     812under certain conditions; type &lsquo;<literal>show c</literal>&rsquo; for details. 
     813  </screen> 
     814  <para> 
     815    The hypothetical commands &lsquo;<literal>show w</literal>&rsquo; and 
     816    &lsquo;<literal>show c</literal>&rsquo; should show the appropriate parts of 
     817    the General Public License.  Of course, your program&rsquo;s commands might be 
     818    different; for a GUI interface, you would use an &ldquo;about box&rdquo;. 
     819  </para> 
     820  <para> 
     821    You should also get your employer (if you work as a programmer) or school, 
     822    if any, to sign a &ldquo;copyright disclaimer&rdquo; for the program, if 
     823    necessary.  For more information on this, and how to apply and follow the 
     824    <acronym>GNU</acronym> <acronym>GPL</acronym>, see 
     825    <ulink url="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</ulink>. 
     826  </para> 
     827  <para> 
     828    The <acronym>GNU</acronym> General Public License does not permit 
     829    incorporating your program into proprietary programs.  If your program is a 
     830    subroutine library, you may consider it more useful to permit linking 
     831    proprietary applications with the library.  If this is what you want to do, 
     832    use the <acronym>GNU</acronym> Lesser General Public License instead of this 
     833    License.  But first, please read <ulink 
     834    url="http://www.gnu.org/philosophy/why-not-lgpl.html">http://www.gnu.org/philosophy/why-not-lgpl.html</ulink>. 
     835  </para> 
    429836</appendix> 
    430